6S (radiative Transfer Code)
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{{No footnotes, date=December 2008 6SV1 (Second Simulation of a Satellite Signal in the Solar Spectrum, Vector, version 1) is an advanced radiative transfer code designed to simulate the reflection of solar radiation by a coupled atmosphere-surface system for a wide range of atmospheric, spectral and geometrical conditions. It belongs to the group of procedures called
Atmospheric correction Atmospheric correction is the process of removing the scattering and absorption effects of the atmosphere on the reflectance values of images taken by satellite or airborne sensors. Atmospheric effects in optical remote sensing are significant and ...
for the process of removing the effects of the atmosphere on the reflectance values of images taken by
satellite A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioi ...
or airborne sensors. The code operates on the basis of an SOS (successive orders of scattering) method and accounts for the polarization of radiation in the atmosphere through the calculation of the Q and U components of the Stokes vector. It is a basic code for the calculation of look-up tables in the MODIS atmospheric correction algorithm.


See also

*
List of atmospheric radiative transfer codes An atmospheric radiative transfer model, code, or simulator calculates radiative transfer of electromagnetic radiation through a planetary atmosphere. Methods At the core of a radiative transfer model lies the radiative transfer equation that ...


References

* S.Y. Kotchenova, E.F. Vermote, R. Matarrese, & F.J. Klemm, Jr., Validation of a vector version of the 6S radiative transfer code for atmospheric correction of satellite data. Part I: Path Radiance, Applied Optics, 45(26), 6726-6774, 2006. * S.Y. Kotchenova & E.F. Vermote, Validation of a vector version of the 6S radiative transfer code for atmospheric correction of satellite data. Part II: Homogeneous Lambertian and anisotropic surfaces, Applied Optics, in press, 2007.


External links

* https://salsa.umd.edu/6spage.html — 6SV1 Web site * http://rtcodes.ltdri.org — Joint code comparison project * http://modis-sr.ltdri.org — MODIS atmospheric correction group * https://grass.osgeo.org/grass78/manuals/i.atcorr.html - 6S ported to
GRASS GIS ''Geographic Resources Analysis Support System'' (commonly termed ''GRASS GIS'') is a geographic information system (GIS) software suite used for geospatial data management and analysis, image processing, producing graphics and maps, spatial and ...
(i.atcorr) with support for additional sensors Atmospheric radiative transfer codes